HD 300 PRO / PROtect
Quick Guide
Kurzanleitung
In the box
Adjusting
HD 300 PROtect
Cable
HD 300 PRO or HD 300 PROtect
Sennheiser electronic GmbH & Co. KG
Am Labor 1, 30900 Wedemark, Germany, www.sennheiser.com
Printed in Germany, Publ. 07/18, 578649/A01
SENNHEISER
Sennheiser electronic GmbH & Co. KG
Am Labor 1, 30900 Wedemark, Germany, www.sennheiser.com Printed in Germany, Publ. 07/18, 578649/A01
Specifications
| Headphone HD 300 PRO / HD 300 PROtect | |
| Acoustic principle | dynamic, closed |
| Ear coupling | circumaural |
| Frequency response | 6 – 25,000 Hz |
| Impedance | 64 Ω |
| Power rating | 500 mW |
| Sensitivity | y 108 ±3 dB SPL / 1 Vrms / 1 kHz |
| HD 300 PRO | |
| Max. SPL w/o ActiveGard | 123 dB SPL @ 1 kHz |
| 123 dB SPL @ 1 kHz | |
| Max. SPL ActiveGard off | 123 dB SPL @ 1 kHz |
| Max. SPL ActiveGard on | 110 dB SPL @ 1 kHz |
| Ambient noise attenuation | ≤32 dB |
| Distortion | <0.1% @ 1 kHz, 94 dB SPL |
| Contact pressure | approx. 6.0 N |
| Weigth (w/o cable) | approx. 297 g |
| Cable length | approx. 1.55 m |
| Temperature | Operation: –15 °C …. +55 °C Storage: –55 °C …. +70 °C |
| Relative humidity | ≤90% |
Ear cushions
Headband padding
Transport positions
